ABERDEEN — MD
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | 22 |
| VERIZON MARYLAND, INC. | 9212 | 7 |
| LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | 3 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 3 |
| PAETEC ITEL, LLC | 829J | 3 |